Hob quality basics
The quality of a hob directly affects the final quality of the gear it generates. AGMA has developed a standard […]
Perfect Pitch
Gear manufacturers are turning to workholding to help reduce costs without compromising quality. Pitch Line Fixtures, for example, can be […]
Power Skiving with integrated cutter resharpening
Gear manufacturing by Power Skiving takes the traditional approach: After a cutter has reached its maximum wear, the operator changes […]
Chamfering of cylindrical gears: Innovative new cutting solutions for efficient gear production
Cylindrical gear chamfering and deburring is a rather “unloved” process that adds cost but without delivering readily apparent improvements in […]
Tooling & Workholding: Why precision clamping matters
Precision clamping devices can be custom designed for applications and can vary over a wide range of industries. David Jones, […]
Tooling & Workholding: Improving tool holder performance
The four critical requirements for tool holders are clamping force, concentricity, rigidity, and balance for high-spindle speeds. When these factors […]
Long hob cost savings over the length of a job
Manufacturers consider many factors when shopping for a gear hob solution: What material is being cut? What is the pitch […]
Conjugate Action Law in Intersected-Axes Gear Pairs and in Crossed-Axes Gear Pairs
The article deals with the kinematics and the geometry of geometrically-accurate gearing (with perfect gearing). Considered at the beginning for […]
Gearwheel manufacturing in a 34-second cycle
Minimizing production times to ensure competitiveness is one of the most important challenges in the automotive industry — Henry Ford […]
Micro-skiving – (r)evolution of a known production process
Production of internally toothed gear wheels is possible in many different ways. Different techniques such as gashing, broaching, wire EDM, […]
Chamfer Hobbing Tools Up
In the last few years, chamfering and deburring have gained new respect and risen to a level of importance equal […]
Advantages of flat broaching machines
A broaching machine requires precision broaching tools to increase productivity and efficiency. New broaching tools can be expensive and difficult […]
Reducing Tool Wear in Spiral Bevel Gear Machining with the Finite Element Method
Due to the complexity of spiral bevel gear machining, the cutting tools can be a significant cost of gear manufacturing. […]
Filling Some Gaps in Spline Design Guidelines: Centering, Friction, and Misalignment
Editor’s note: At the author’s request, some statements have been removed for clarity since the article was originally published in October, […]
Methods to Determine Form Diameter on Hobbed External Involute Gears
In custom designs of external spur or helical gears, designers generally prefer a lower form diameter for greater transverse contact […]
Taking deburring to the next level
Once a gear is created, deburring becomes a necessary step to ensure a gear’s accuracy. Traditionally, deburring has been done […]
Tooling & Workholding: Making Out-of-Round Parts Round
One of the most vexing problems in machining today is how to most efficiently make an out-of-round part round. In […]
Tooling Workholding: A new solution for bevel gears
The creativity of the designers knows no bounds with new drive element and gear geometries. Faced with constantly increasing demands […]
Online exclusive: How many mils is your coating?
Instantaneous handheld coating thickness gauges that can be operated by virtually any technician deliver lab-quality readings even on curved and […]
Tooling & Workholding: A success story: Low-deformation workpiece clamping
Those who want to turn, mill, or grind rings, flanges, housings, or other thin-walled parts will quickly reach the limits […]
